Re: [equinox-dev] Fw: [Bug 214801] [api tools] consider Export-Package a

[John Arthorne <John_Arthorne@xxxxxxxxxx>]

I don't think we can even contemplate
this without full tooling automation. As Tom says, we struggle to keep
our bundle version numbers correct as it is.  We can maintain package
versions manually up to a point, such as base framework packages and service
packages, but any wider scope would become unmanageable. For most of the
wider Eclipse team that rarely/never uses import package, there is no immediate
need to version at the package level.

Thomas Watson <tjwatson@xxxxxxxxxx>
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01/11/2008 03:45 PM

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Subject	Re: [equinox-dev] Fw: [Bug 214801] [api tools] consider        Export-Package        as API

Without tooling this will be difficult. If we wanted to
use the big hammer approach the we would have the API tooling (or plain
old PDE) mark exports without versions as a warning/error by default or
update each project settings in eclipse to make it an error. Now the question
is what version would all the well established packages use? Most eclipse
packages do not specify a version which means they have been using the
default version of 0.0.0. If a package is being versioned for the first
time what should its version be?

- Start off using 1.0.0
- Use the Bundle-Version

I favor using the Bundle-Version for well established packages because
if we decide to add versions to the maintenance streams then we have room
to downgrade the versions as appropriate. Completely new packages in a
release should start off with version 1.0.

I have been trying to version the exports of org.eclipse.osgi for the past
few releases. It is hard to keep track of without tooling. Just look at
how many times we forget to increment the bundle versions in Eclipse and
that is just one version number per bundle to maintain. Now we will have
to maintain each package version individually which is a much bigger task.
Hopefully more advanced API tooling could detect that the API package has
changed since last release and needs to be incremented. Does the new API
tooling currently do something like this for Bundle-Version? 

Tom

Jeff
McAffer ---01/11/2008 02:17:11 PM---Tom raises a good point that we keep
letting slide. Are we going to ensure that all export package statements
have version num

From:	Jeff McAffer <Jeff_McAffer@xxxxxxxxxx>
To:	equinox-dev@xxxxxxxxxxx
Date:	01/11/2008 02:17 PM
Subject:	[equinox-dev] Fw: [Bug 214801] [api tools] consider Export-Package as API

---

Tom raises a good point that we keep letting slide. Are we going to ensure
that all export package statements have version numbers for 3.4? If we
have API tooling for this then it would likely be reasonable to start doing.
Even without tooling today, we could introduce version numbers based on
the bundle version number for this release and then evolve from there (with
tooling that will come in the future). 

Jeff 

----- Forwarded by Jeff McAffer/Ottawa/IBM on 01/11/2008 01:22 PM -----

bugzilla-daemon@xxxxxxxxxxx

01/11/2008 10:50 AM

To	Jeff McAffer/Ottawa/IBM@IBMCA
cc
Subject	[Bug 214801] [api tools] consider Export-Package as API

https://bugs.eclipse.org/bugs/show_bug.cgi?id=214801
 
Product/Component: PDE / Incubators




--- Comment #2 from Thomas Watson <tjwatson@xxxxxxxxxx>  2008-01-11
10:50:13 -0400 ---
I agree with the concept.  All exported packages which are not marked
x-internal:=true should be versioned.  Without this it makes using
Import-Package very limiting because you cannot specify what version of
the
package you require.  Packages marked as x-friends are questionable,
but I can
see friend bundles depending on a particular friend package version.


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